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Why doesn't the NSA use their super computer to mine the rest of the bitcoins?

Wouldn't that pop the bubble? or couldn't it? one entitly owning 50% or more of the bitcoins, and no more available? Then they just sit on them......

I know little about bitcoins, however I just had that thought and saw this article (don't know the date on it)

https://www.privateinternetaccess.co...at-to-bitcoin/

The ants have strength in numbers. Superior strength.
http://en.wikipedia.org/wiki/FLOPS
Petaflops, hundreds of petaflops.
ALL the super computers that exist working together don't beat out the ants in the rain.

Quote:

Attacker has a lot of computing power
An attacker that controls more than 50% of the network's computing power can, for the time that he is in control, exclude and modify the ordering of transactions. This allows him to:
Reverse transactions that he sends while he's in control. This has the potential to double-spend transactions that previously had already been seen in the block chain.
Prevent some or all transactions from gaining any confirmations
Prevent some or all other miners from mining any valid blocks
The attacker can't:
Reverse other people's transactions
Prevent transactions from being sent at all (they'll show as 0/unconfirmed)
Change the number of coins generated per block
Create coins out of thin air
Send coins that never belonged to him
It's much more difficult to change historical blocks, and it becomes exponentially more difficult the further back you go. As above, changing historical blocks only allows you to exclude and change the ordering of transactions. It's impossible to change blocks created before the last checkpoint.
Since this attack doesn't permit all that much power over the network, it is expected that no one will attempt it. A profit-seeking person will always gain more by just following the rules, and even someone trying to destroy the system will probably find other attacks more attractive. However, if this attack is successfully executed, it will be difficult or impossible to "untangle" the mess created -- any changes the attacker makes might become permanent.

https://en.bitcoin.it/wiki/Weaknesse...omputing_power

conspiracy theory-

the nsa created/coordinates encyrption, including sha-256, the encryption that bitcoin is based on.

http://en.wikipedia.org/wiki/SHA-2

that's far from meaning they can hack the encryption, over time though, encryptions have proven hackable so it is a matter of time IMO that sha-256 is hacked.

however, sha-3 is on the horizon, pending authorization from nist.
http://en.wikipedia.org/wiki/SHA-3

dyna mo they are going to upgrade the encryption in bitcoin over time.

Quote:

Originally Posted by Monotony (Post 19566416)

dyna mo they are going to upgrade the encryption in bitcoin over time.

i see, is it tweaked/customized or such in the process or no?